Pith Number

pith:GS3NF6KS

pith:2012:GS3NF6KSKEQKYSA244D7X5LMRK

not attested not anchored not stored refs pending

Evidence of Supermassive Black Holes in Narrow Emission Line Galaxies

D. M. Neri-Larios, H. Andernach, I. Plauchu-Frayn, J. P. Torres-Papaqui, R. A. Ortega-Minakata, R. Coziol

arxiv:1208.2284 v1 · 2012-08-10 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GS3NF6KSKEQKYSA244D7X5LMRK}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:48:58.308630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34b6d2f9525120ac481ae707fbf56c8aa47ce3dc22dee474f3f7728fa684414f

Aliases

arxiv: 1208.2284 · arxiv_version: 1208.2284v1 · doi: 10.48550/arxiv.1208.2284 · pith_short_12: GS3NF6KSKEQK · pith_short_16: GS3NF6KSKEQKYSA2 · pith_short_8: GS3NF6KS

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/GS3NF6KSKEQKYSA244D7X5LMRK \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 34b6d2f9525120ac481ae707fbf56c8aa47ce3dc22dee474f3f7728fa684414f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab9679e481bd07c9c5bf6cab448ccd290d1931789ce11c640d6c80db6bf7b2ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-08-10T20:40:50Z",
    "title_canon_sha256": "350c30d2699fd9d8e2cb26dd2e4f93470abfbb2cb90a1af74c7ad8798d531e42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.2284",
    "kind": "arxiv",
    "version": 1
  }
}